80500047 has 4 divisors (see below), whose sum is σ = 107333400. Its totient is φ = 53666696.

The previous prime is 80500033. The next prime is 80500051. The reversal of 80500047 is 74000508.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80500047 - 2⁷ = 80499919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80500247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13416672 + ... + 13416677.

It is an arithmetic number, because the mean of its divisors is an integer number (26833350).

Almost surely, 2^80500047 is an apocalyptic number.

80500047 is a deficient number, since it is larger than the sum of its proper divisors (26833353).

80500047 is a wasteful number, since it uses less digits than its factorization.

80500047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26833352.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 80500047 is about 8972.1818416704. The cubic root of 80500047 is about 431.7828394572.

The spelling of 80500047 in words is "eighty million, five hundred thousand, forty-seven".